06/02/2013 AT 1:30 PM ET
While following a tornado in El Reno, Okla., on Friday, Storm Chasers star Tim Samaras, his son Paul and colleague Carl Young lost their lives.
They were among the nine people killed by storms that night, CNN reports.
“We are deeply saddened by the loss of Tim Samaras, his son Paul and their colleague Carl Young. Our thoughts and prayers go out to their families,” the Discovery Channel said in a statement.